Federal Black Cloud is a premium steel waterfowl shotshell, and a choke tube is a shotgun accessory — this site doesn’t run affiliate product recommendations for firearms or shooting-sports hardware, so what follows is general buying and patterning guidance rather than a shoppable roundup.
What Black Cloud actually is
Black Cloud FS Steel pairs standard round steel shot (roughly 60% of the payload) with Federal’s Flitestopper pellets (roughly 40%) — steel pellets with a cut, ridged profile designed to create a larger wound channel on impact. Current loads use Federal’s FliteControl Flex wad, which is built to pattern consistently through both ported and non-ported choke tubes, unlike some older wad designs that needed a specific choke style to shoot well.
Constriction basics
Choke constriction is the standard place to start: Improved Cylinder for close, wide patterns over decoys; Modified as the general-purpose waterfowl constriction most hunters settle on; and Full for longer crossing or pass shots. Because Black Cloud is a steel (not lead) load, over-constricting isn’t just a pattern problem — steel shot doesn’t compress the way lead does, so pushing very tight constrictions with steel can spike chamber pressure and stress a choke tube not rated for steel. Always confirm any tube you’re considering is explicitly rated for steel shot.
Ported vs. non-ported
Field reports and choke-tube makers who sell dedicated Black Cloud-pattern tubes generally note that Black Cloud tends to pattern best out of non-ported tubes with the FliteControl Flex wad, though this varies by individual barrel and should be confirmed by patterning your own gun rather than assumed from a general rule.
Thread pattern compatibility
Choke tubes are cut to a specific manufacturer’s thread pattern — Browning Invector/Invector Plus, Beretta/Benelli Mobil, Remington, Winchester/Browning Invector DS, and others are not interchangeable with each other. Before buying any tube, confirm which thread pattern your specific shotgun uses; this matters more than the brand of the tube itself.
How to actually test
The only reliable way to know a choke/load combination works for you is to pattern it: shoot a few rounds at a pattern board or large paper target at your typical hunting distance, and count pellet strikes in a 30-inch circle. A tube that patterns well on paper with your specific gun and load is worth far more than a general online recommendation, since patterning performance varies meaningfully between individual barrels.
Safety
Always verify a choke tube is rated for steel shot before using it with any steel waterfowl load, never fire a shotgun without a choke tube installed if it’s designed to require one, and use a proper choke wrench rather than pliers to avoid damaging the threads or the muzzle crown.